55124446660 has 48 divisors (see below), whose sum is σ = 116522406000. Its totient is φ = 21905017344.

The previous prime is 55124446651. The next prime is 55124446661. The reversal of 55124446660 is 6664442155.

55124446660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 2025540036 + 53098906624 = 45006^2 + 230432^2 .

It is not an unprimeable number, because it can be changed into a prime (55124446661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4938766 + ... + 4949914.

It is an arithmetic number, because the mean of its divisors is an integer number (2427550125).

Almost surely, 2^55124446660 is an apocalyptic number.

It is an amenable number.

55124446660 is an abundant number, since it is smaller than the sum of its proper divisors (61397959340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55124446660 is a wasteful number, since it uses less digits than its factorization.

55124446660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12760 (or 12758 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 55124446660 in words is "fifty-five billion, one hundred twenty-four million, four hundred forty-six thousand, six hundred sixty".